S
M
T
W
T
F
S
26
95°
61°
27
95°
61°
28
94°
60°
29
96°
61°
30
95°
59°
31
89°
56°
1
86°
52°
2
89°
55°
3
94°
61°
4
95°
60°
5
94°
61°
6
95°
61°
7
89°
55°
8
95°
57°
9
93°
54°
10
91°
59°
11
94°
60°
12
95°
59°
13
88°
59°
14
87°
54°
15
87°
52°
16
88°
50°
17
86°
54°
18
84°
53°
19
84°
47°
20
83°
49°
21
82°
49°
22
82°
52°
23
88°
53°
24
87°
51°
25
81°
46°
26
81°
52°
27
86°
55°
28
90°
51°
29
90°
51°
30
89°
54°
31
90°
56°
1
91°
55°
2
90°
56°
3
90°
50°
4
88°
52°
5
88°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yakima
Yakima's August 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 46° and 61°. The average high for August is 89° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Yakima. See also: September | October | November.
